package com.itheima.service;

import com.itheima.pojo.EmpJob;
import com.itheima.pojo.StudentCount;

import java.util.List;
import java.util.Map;

public interface ReportService {
    //员工职位人数统计
    EmpJob getEmpJobData();

    //员工性别统计
    List<Map<String,Object>> getEmpGenderData();

    //学员学历统计
    List<Map<String, Object>> getStudentGenderData();

    //班级人数统计
    StudentCount getStudentCountData();
}
